uart.rar_python uart.write_python串口通信_python绘图_串口 python uart_通信

#import serial #ser = serial.Serial("COM4", 115200) #ser.is_open() #!/usr/bin/python # -*- coding:utf-8 -*- import numpy as np import matplotlib.pyplot as plt from Tkinter import * from ttk import * import sys import platform import serial import time import threading #import ipdb #ipdb.set_trace() running = False def recevie(obj): global running #txt0.insert(END,"start rx:\n") print "start rx:\n" adc_data = '' #i = 1 while(running == True): rx_len = obj.inWaiting() if (rx_len): s0 = obj.read(rx_len) result = '' print s0 txt0.insert(END, s0) if len(s0) < 100: txt0.delete(0.0,END) else: for i in xrange(len(s0)): f = open("D:\est.txt",'w+') hvol = ord(s0[i]) hhex = '%02x'%hvol result += hhex for i in range(1,100,1): adc_data = result[i*6-6:i*6] adc_data = int(adc_data,16) if adc_data>65535: adc_data = adc_data - int('FFFFFF',16) hint='%d' %adc_data f.write(hint+'\n') f.close() f.close() ser.close() print "stop rx:\n" #txt0.insert(END,"stop rx:\n") def COMOpen(): global running if not isOpened.isSet(): try: ser.timeout = 1 ser.xonxoff = 0 ser.port = comx.get() ser.parity = chck.get()[0] ser.baudrate = int(baud.get()) ser.bytesize = int(dlen.get()) ser.stopbits = int(slen.get()) print ser.port ser.open() running = True print running #txt0.insert(END,"True\n") t = threading.Thread(target=recevie, args=(ser,)) t.start() except Exception, e: print ("COM Open Error!"),e else: isOpened.set() Open.set('close') else: running = False ser.close() isOpened.clear() Open.set('open the serial') def Submit1(): s1 = inpt1.get() s1 = str(s1) str11 = '5A22800100' str12 = 'FFFFFFFF' s1=str11+s1+str12 print s1 s1 = s1.decode("hex") ser.write(s1) def f_Clear1(): print "delete all" inpt1.delete(0.0,END) def Submit2(): s21 = inpt21.get() s22 = inpt22.get() str2 = '5A21000100' str23= 'FFFFFF' s2=str2+s21+s22+str23 print s2 s2 = s2.decode("hex") ser.write(s2) def f_Clear2(): print "delete all" txt0.delete(0.0,END) def Submit3(): s3 = inpt3.get() str3 = '5A2100010006' str33= 'FFFFFF' s3=str3+s3+str33 print s3 s3 = s3.decode("hex") ser.write(s3) def f_Clear3(): print "delete all" txt0.delete(0.0,END) def Submit4(): str4 = '5A24C00100C2' str44 = 'FFFFFFFF' s4=str4+str44 print s4 s4 = s4.decode("hex") ser.write(s4) def f_Clear4(): print "delete all" txt0.delete(0.0,END) def Submit5(): str5 = '5A23100100F0FFFFFFFF' s5=str5 print s5 s5 = s5.decode("hex") ser.write(s5) def f_Clear5(): print "delete all" txt0.delete(0.0 , END) def f_Clear6(): print "delete all" txt0.delete(0.0 , END) def test(): dataout = ser.read() txt0.insert(0.0,dataout) def Plot1(): data = np.loadtxt('D:\est.txt') # plot the first column as x, and second column as y i = range(1,len(data)+1) plt.plot(i, data) plt.xlabel('x') plt.ylabel('y') plt.xlim(0.0, 10.) plt.show() if platform.system() == 'Linux': sp_list=['ttyUSBS0', 'ttyUSBS1'] elif platform.system() == 'Windows': sp_list= ['COM5','COM4', 'COM2', 'COM3', 'COM1'] ser = serial.Serial() if __name__ == "__main__": isOpened = threading.Event() root = Tk() root.title('Uart by Qifan') txt0 = Text(root,width=80,height=14,border=5) txt0.pack(side='top') sec0 = Frame(root,border=4) sec0.pack(side='top',anchor='w') sec1 = Frame(root,border=4) sec1.pack(side='top',anchor='w') sec2 = Frame(root,border=4) sec2.pack(side='top',anchor='w') sec3 = Frame(root,border=4) sec3.pack(side='top',anchor='w') sec4 = Frame(root,border=4) sec4.pack(side='top',anchor='w') sec5 = Frame(root,border=4) sec5.pack(side='top',anchor='w') comx = StringVar(root,sp_list[0]) Label(sec0,text='com: ').pack(side='left') Combobox(sec0,text=comx,values=sp_list,width='12').pack(side='left') baud = StringVar(root,"115200") Label(sec0,text=' baud: ').pack(side='left') Combobox(sec0,textvariable=baud,values=['4800','9600','115200'],width='12').pack(side='left') Clear6 = StringVar(root,'Clear text') Button(sec0,textvariable= Clear6,width=9,command = f_Clear6).pack(side='left') dlen = StringVar(root,'8') Label(sec1,text='data: ').pack(side='left') Combobox(sec1,textvariable=dlen,values=['9','8','7','6','5','4'],width='12').pack(side='left') slen = StringVar(root,'1') Label(sec1,text=' stop: ').pack(side='left') lst3 = Combobox(sec1,textvariable=slen,values=['1','2'],width='12').pack(side='left') chck = StringVar(root,'None') Label(sec1,text=' parity: ').pack(side='left') lst4 = Combobox(sec1,textvariable=chck,values=['None','Odd','Even'],width='12').pack(side='left') inpt1 = StringVar(root,'') Label(sec2,text='input read: ').pack(side='left') Entry(sec2,width=30,textvariable=inpt1).pack(side='left') Send1 = StringVar(root,'send') Button(sec2,textvariable=Send1,width=9,command = Submit1).pack(side='left') Clear1 = StringVar(root,'clear') Button(sec2,textvariable=Clear1,width=9,command = f_Clear1).pack(side='left') inpt21 = StringVar(root,'') Label(sec3,text='write add: ').pack(side='left') Entry(sec3,width=15,textvariable=inpt21).pack(side='left') inpt22 = StringVar(root,'') Label(sec3,text='write data: ').pack(side='left') Entry(sec3,width=15,textvariable=inpt22).pack(side='left') Send2 = StringVar(root,'send') Button(sec3,textvariable=Send2,width=9,command = Submit2).pack(side='left') Clear2 = StringVar(root,'clear') Button(sec3,textvariable=Clear2,width=9,command = f_Clear2).pack(side='left') inpt3 = StringVar(root,'') Label(sec4,text='PGA gain: ').pack(side='left') Entry(sec4,width=15,textvariable=inpt3).pack(side='left') Send3 = StringVar(root,'send') Button(sec4,textvariable=Send3,width=9,command = Submit3).pack(side='left') Clear3 = StringVar(root,'clear') Button(sec4,textvariable=Clear3,width=9,command = f_Clear3).pack(side='left') plot1 = StringVar(root,'plot') Button(sec4,textvariable=plot1,width=9,command = Plot1).pack(side='left') Send4 = StringVar(root,'send') Label(sec5,text='read ADC: ').pack(side='left') Button(sec5,textvariable=Send4,width=9,command = Submit4).pack(side='left') Clear4 = StringVar(root,'clear') Button(sec5,textvariable=Clear3,width=9,command = f_Clear4).pack(side='left') Send5 = StringVar(root,'send') Label(sec5,text='reset: ').pack(side='left') Button(sec5,textvariable=Send5,width=9,command = Submit5).pack(side='left') Clear5 = StringVar(root,'clear') Button(sec5,textvariable=Clear5,width=9,command = f_Clear5).pack(side='left') Open = StringVar(root,'open serial') Button(sec0,textvariable=Open,width=16,command = COMOpen).pack(side='left') isOpened = threading.Event() root.mainloop()